CN205605319U - Fuel control system for diesel oil cetane number measuring device - Google Patents
Fuel control system for diesel oil cetane number measuring device Download PDFInfo
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- CN205605319U CN205605319U CN201620451574.5U CN201620451574U CN205605319U CN 205605319 U CN205605319 U CN 205605319U CN 201620451574 U CN201620451574 U CN 201620451574U CN 205605319 U CN205605319 U CN 205605319U
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Abstract
The utility model provides a fuel control system for diesel oil cetane number measuring device, contains: the signal generation subassembly generates oil spout time point signal, fire oil spraying mouth assembly, be provided with the oil spout sensor on it, firing the oil spout of the detection in the twinkling of an eye actuating signal that oil spraying penetrated, the controller, the passing signal line is connected with signal generation subassembly and oil spout sensor, receives oil spout time point signal and oil spout actuating signal, flow automatic detector, the passing signal line is connected with the controller, controls the fuel volume of passing through, automatically controlled fuel pump, the passing signal line is connected with the controller, by the controller according to the action of the automatically controlled fuel pump of oil spout time point signal and oil spout action signal control, will spout into the combustion chamber to firing oil spraying mouth assembly through the fuel transmission of flow automatic detector input. The utility model discloses oil -fired distributive value of control and oil spout time point that can be accurate reduce the operation degree of difficulty and work load by a wide margin, shorten the survey time, effectively improve the stability of machine and sample's precision.
Description
Technical field
This utility model relates to a kind of fuel control system, specifically refers to a kind of fuel control system being applied to diesel cetane-number measuring machine, it is achieved automatically controlling or Non-follow control of injection time point and distributive value.
Background technology
In prior art, the fuel oil of diesel cetane-number measuring machine controls to be controlled by mechanical, hand-driven regulation.Due to general complicated in mechanical structure, it is big that regulation controls difficulty, needs operator to have rich experience.For M R, there is also certain difficulty.Therefore using this structure to carry out the diesel cetane-number measuring machine of fuel oil control, the time that machine reaches necessary requirement operating mode is long, and workload is big, affects the stability of machine simultaneously and measures the precision of sample.
Utility model content
The purpose of this utility model is to provide the fuel control system of a kind of diesel cetane-number measuring machine, distributive value and the injection time point of fuel oil can be accurately controlled, operation easier and workload are greatly reduced, shorten minute, be effectively improved the stability of machine and measure the precision of sample.
In order to achieve the above object, this utility model is achieved through the following technical solutions: the fuel control system of a kind of diesel cetane-number measuring machine, comprise: signal formation component, be fixedly installed on the engine body of diesel cetane-number measuring machine, be used for generating injection time point signal；Fuel nozzle assembly, it is fixedly installed on the cylinder lid of diesel cetane-number measuring machine, and this fuel nozzle assembly is provided with an oil spout sensor, and this oil spout sensor, in fuel nozzle assembly fuel-injected moment, detects oil spout actuating signal；Controller, it is connected with described signal formation component and oil spout sensor by holding wire respectively, receives injection time point signal and oil spout actuating signal；Flow automatic detector, it is connected with described controller by holding wire, controller control the amount of fuel by flow automatic detector；Electronic controlled fuel pump, its engine gear case being fixedly installed on diesel cetane-number measuring machine covers portion, it is connected with described controller by holding wire, it is connected with described flow automatic detector by fuel pipe, and be connected with described fuel nozzle assembly by high-pressure oil pipe, electronic controlled fuel pump action is controlled according to injection time point signal and oil spout actuating signal by controller, the fuel oil inputted by flow automatic detector is transmitted to fuel nozzle assembly by high-pressure oil pipe, and is sprayed into combustor by fuel nozzle assembly.
Described fuel nozzle assembly controls opening angle, spray configuration and expulsion pressure during fuel oil injection.
Described controller uses the controller of the integrated ECU of CAN.
The described fuel control system being applied to diesel cetane-number measuring machine, also comprise industrial computer, it is connected with described controller by CAN, show the injection time point signal received by controller and oil spout actuating signal in real time, it is achieved distributive value and injection time point are automatically controlled and Non-follow control.
Described industrial computer, controller and automatic flow detector are installed on the control station of diesel cetane-number measuring machine.
A fuel-air bag it is further fixedly arranged on described electronic controlled fuel pump, it is connected with described automatic flow detector by fuel pipe, fuel oil after inflow-rate of water turbine automatic detector detects is inputted to electronic controlled fuel pump by fuel-air bag, to isolate the gas in fuel oil, stablize fuel pressure pulse.
Described automatic flow detector is by being arranged on three, the upper, middle and lower flow transducer detection fuel level of position, flowtube middle and lower part, to control the input of fuel quantitative to electronic controlled fuel pump.
Described signal formation component comprises: rotary shaft, and it is fixedly installed on the engine body of diesel cetane-number measuring machine；Gear, its fixed cover is located in described rotary shaft；Cam, its fixed cover is located in described rotary shaft, and the axial centre face of this cam overlaps with the centrage of described electronic controlled fuel pump, and the cam surface of this cam touches with the bottom connection of electronic controlled fuel pump, provides power for electronic controlled fuel pump；Signal panels, its fixed cover is located in described rotary shaft, and cam is between gear and signal panels；Signal transducer, it is fixedly installed on the engine gear chamber cap sidepiece of diesel cetane-number measuring machine, and is positioned at the side of signal panels, and the centrage of this signal transducer overlaps with the axial centre face of signal panels, and and the outer circumference surface of signal panels between gap is set.
It is provided with two teeth groove on the circumferential edges of described signal panels, between these two teeth groove, is spaced the first angle；Described signal panels be provided centrally with through hole, this through hole is provided with keyway, this keyway and be spaced the second angle between its immediate teeth groove.
Rotated by described gear driven rotary shaft, cam and signal panels, cam provides power to electronic controlled fuel pump in rotation process, signal panels are gathered the first angle and the signal of the second angle by signal transducer in rotation process, and provide injection time point signal to described controller.
In sum, the fuel control system of diesel cetane-number measuring machine provided by the utility model, distributive value and the injection time point of fuel oil can be accurately controlled, also achieve automatically controlling of injection time and distributive value, the most manually controllable injection time and distributive value simultaneously, enormously simplify operating process and reduce operation easier, shortening minute, improve work efficiency, the job stability of instrument and measure the precision of sample.
Accompanying drawing explanation
Fig. 1 is the structural representation of the fuel control system being applied to diesel cetane-number measuring machine in this utility model；
Fig. 2 is the structural representation of the signal panels in this utility model.
Detailed description of the invention
Below in conjunction with Fig. 1 and Fig. 2, by describing a preferably specific embodiment in detail, this utility model is further elaborated.
As it is shown in figure 1, be the fuel control system being applied to diesel cetane-number measuring machine provided by the utility model, comprise: signal formation component, be fixedly installed on the engine body of diesel cetane-number measuring machine, be used for generating injection time point signal；Fuel nozzle assembly 7, it is fixedly installed on the cylinder lid of diesel cetane-number measuring machine, and this fuel nozzle assembly 7 is provided with an oil spout sensor, and this oil spout sensor, in fuel nozzle assembly 7 fuel-injected moment, detects oil spout actuating signal；Controller 2, it is connected with described signal formation component and oil spout sensor by holding wire respectively, receives injection time point signal and oil spout actuating signal；Flow automatic detector 3, it is connected with described controller 2 by holding wire, controller 2 controls the amount of fuel by flow automatic detector 3；Electronic controlled fuel pump 5, its engine gear case being fixedly installed on diesel cetane-number measuring machine covers portion, it is connected with described controller 2 by holding wire, it is connected with described flow automatic detector 3 by fuel pipe, and be connected with described fuel nozzle assembly 7 by high-pressure oil pipe 6, electronic controlled fuel pump 5 action is controlled according to injection time point signal and oil spout actuating signal by controller 2, the fuel oil inputted by flow automatic detector 3 is transmitted to fuel nozzle assembly 7 by high-pressure oil pipe 6, and is sprayed into combustor by fuel nozzle assembly 7.
Described fuel nozzle assembly 7 controls opening angle, spray configuration and expulsion pressure during fuel oil injection.
In the present embodiment, opening angle when fuel nozzle assembly 7 controls fuel oil injection be 30 °～120 ° adjustable, spray configuration is plum blossom shape, and expulsion pressure is 10～15Mpa adjustable.
Described controller 2 uses CAN(Controller
Area Network, controller local area network) integrated ECU(Electronic Control Unit, electronic control unit) controller.
The described fuel control system being applied to diesel cetane-number measuring machine, also comprise industrial computer 1, it is connected with described controller 2 by CAN, show the injection time point signal received by controller 2 and oil spout actuating signal in real time, it is achieved distributive value and injection time point are automatically controlled and Non-follow control.
In the present embodiment, described industrial computer 1, controller 2 and automatic flow detector 3 are installed on the control station of diesel cetane-number measuring machine.
A fuel-air bag 4 it is further fixedly arranged on described electronic controlled fuel pump 5, it is connected with described automatic flow detector 3 by fuel pipe, fuel oil after inflow-rate of water turbine automatic detector 3 detects is inputted to electronic controlled fuel pump 5 by fuel-air bag 4, to isolate the gas in fuel oil, stablize fuel pressure pulse.
Described automatic flow detector 3 is by being arranged on three, the upper, middle and lower flow transducer detection fuel level of position, flowtube middle and lower part, to realize the input of fuel quantitative to electronic controlled fuel pump 5.
Described signal formation component comprises: rotary shaft 8, and it is fixedly installed on the engine body of diesel cetane-number measuring machine；Gear 9, its fixed cover is located in described rotary shaft 8；Cam 10, its fixed cover is located in described rotary shaft 8, and the axial centre face of this cam 10 overlaps with the centrage of described electronic controlled fuel pump 5, and the cam surface of this cam 10 touches with the bottom connection of electronic controlled fuel pump 5, and provides power for electronic controlled fuel pump 5；Signal panels 11, its fixed cover is located in described rotary shaft 8 so that cam 10 is between gear 9 and signal panels 11；Signal transducer 12, it is fixedly installed on the engine gear chamber cap sidepiece of diesel cetane-number measuring machine, and be positioned at the left side side of signal panels 11, the centrage of this signal transducer 12 overlaps with the axial centre face of signal panels 11, and and the outer circumference surface of signal panels 11 between gap is set.
Gap between described signal transducer 12 and the outer circumference surface of signal panels 11 is about 1 ~ 2mm.
As in figure 2 it is shown, be provided with two teeth groove 111 on the circumferential edges of described signal panels 11, between these two teeth groove 111, it is spaced the first angle；Described signal panels 11 be provided centrally with through hole 112, this through hole 112 is provided with keyway 113, this keyway 113 and be spaced the second angle between its immediate teeth groove 111.
Axle 8, cam 10 and signal panels 11 are rotated by described gear 9 to rotate, cam 10 provides power to electronic controlled fuel pump 5 in rotation process, signal panels 11 are gathered the first angle and the signal of the second angle by signal transducer 12 in rotation process, and provide injection time point signal to described controller 2.
The fuel control system of diesel cetane-number measuring machine provided by the utility model, specific operation process is as described below: axle 8, cam 10 and signal panels 11 is rotated by described gear 9 and rotates, cam 10 provides power to electronic controlled fuel pump 5 in rotation process, signal panels 11 are gathered the first angle and the signal of the second angle by signal transducer 12 in rotation process, and provide injection time point reference signal to described controller 2；Detecting and transmit the oil spout actuating signal to controller 2 in conjunction with the oil spout sensor on fuel nozzle assembly 7 in front fuel oil injection moment, via controller 2 controls electronic controlled fuel pump 5 action after processing.Fuel oil is transferred into electronic controlled fuel pump 5 from automatic flow detector 3 through fuel-air bag 4, in the process, controller 2 controls the amount of fuel by flow automatic detector 3.By controller 2, electronic controlled fuel pump 5 is carried out the control of injection time, fuel oil is transmitted to fuel nozzle assembly 7 by high-pressure oil pipe 6, and is sprayed into combustor by fuel nozzle assembly 7.During whole control, industrial computer 1 shows the injection time point signal received by controller 2 and oil spout actuating signal in real time, thus realizes automatically controlling and Non-follow control of distributive value and injection time point.
In sum, the fuel control system of diesel cetane-number measuring machine provided by the utility model, distributive value and the injection time point of fuel oil can be accurately controlled, also achieve automatically controlling of injection time and distributive value, the most manually controllable injection time and distributive value simultaneously, enormously simplify operating process and reduce operation easier, shortening minute, improve work efficiency, the job stability of instrument and measure the precision of sample.
Although content of the present utility model has been made to be discussed in detail by above preferred embodiment, but it should be appreciated that the description above is not considered as restriction of the present utility model.After those skilled in the art have read foregoing, multiple amendment of the present utility model and replacement all be will be apparent from.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (10)
1. the fuel control system of a diesel cetane-number measuring machine, it is characterised in that comprise:
Signal formation component, is fixedly installed on the engine body of diesel cetane-number measuring machine, is used for generating injection time point signal；
Fuel nozzle assembly (7), it is fixedly installed on the cylinder lid of diesel cetane-number measuring machine, being provided with an oil spout sensor on this fuel nozzle assembly (7), this oil spout sensor, in fuel nozzle assembly (7) fuel-injected moment, detects oil spout actuating signal；
Controller (2), it is connected with described signal formation component and oil spout sensor by holding wire respectively, receives injection time point signal and oil spout actuating signal；
Flow automatic detector (3), it is connected with described controller (2) by holding wire, controller (2) control the amount of fuel by flow automatic detector (3)；
Electronic controlled fuel pump (5), its engine gear case being fixedly installed on diesel cetane-number measuring machine covers portion, it is connected with described controller (2) by holding wire, it is connected with described flow automatic detector (3) by fuel pipe, and be connected with described fuel nozzle assembly (7) by high-pressure oil pipe (6), electronic controlled fuel pump (5) action is controlled according to injection time point signal and oil spout actuating signal by controller (2), to be transmitted to fuel nozzle assembly (7) by high-pressure oil pipe (6) by the fuel oil that flow automatic detector (3) input, and sprayed into combustor by fuel nozzle assembly (7).
2. the fuel control system of diesel cetane-number measuring machine as claimed in claim 1, it is characterised in that described fuel nozzle assembly (7) controls opening angle, spray configuration and expulsion pressure during fuel oil injection.
3. the fuel control system of diesel cetane-number measuring machine as claimed in claim 1, it is characterised in that described controller (2) uses the controller of the integrated ECU of CAN.
4. the fuel control system of diesel cetane-number measuring machine as claimed in claim 1, it is characterized in that, also comprise industrial computer (1), it is connected with described controller (2) by CAN, show the injection time point signal received by controller (2) and oil spout actuating signal in real time, it is achieved distributive value and injection time point are automatically controlled and Non-follow control.
5. the fuel control system of diesel cetane-number measuring machine as claimed in claim 4, it is characterised in that described industrial computer (1), controller (2) and automatic flow detector (3) are installed on the control station of diesel cetane-number measuring machine.
6. the fuel control system of diesel cetane-number measuring machine as claimed in claim 1, it is characterized in that, a fuel-air bag (4) it is further fixedly arranged on described electronic controlled fuel pump (5), it is connected with described automatic flow detector (3) by fuel pipe, and the fuel oil after inflow-rate of water turbine automatic detector (3) detects is by fuel-air bag (4) input to electronic controlled fuel pump (5).
7. the fuel control system of diesel cetane-number measuring machine as claimed in claim 6, it is characterized in that, described automatic flow detector (3) is by being arranged on upper, middle and lower three flow transducers detection fuel level of position, flowtube middle and lower part, to control the input of fuel quantitative to electronic controlled fuel pump (5).
8. the fuel control system of diesel cetane-number measuring machine as claimed in claim 1, it is characterised in that described signal formation component comprises:
Rotary shaft (8), it is fixedly installed on the engine body of diesel cetane-number measuring machine；
Gear (9), its fixed cover is located in described rotary shaft (8)；
Cam (10), its fixed cover is located in described rotary shaft (8), the axial centre face of this cam (10) overlaps with the centrage of described electronic controlled fuel pump (5), and the cam surface of this cam (10) touches with the bottom connection of electronic controlled fuel pump (5), provides power for electronic controlled fuel pump (5)；
Signal panels (11), its fixed cover is located in described rotary shaft (8), and cam (10) is positioned between gear (9) and signal panels (11)；
Signal transducer (12), it is fixedly installed on the engine gear chamber cap sidepiece of diesel cetane-number measuring machine, and it is positioned at the side of signal panels (11), the centrage of this signal transducer (12) overlaps with the axial centre face of signal panels (11), and and the outer circumference surface of signal panels (11) between gap is set.
9. the fuel control system of diesel cetane-number measuring machine as claimed in claim 8, it is characterised in that be provided with two teeth groove (111) on the circumferential edges of described signal panels (11), be spaced the first angle between these two teeth groove (111)；
Described signal panels (11) be provided centrally with through hole (112), this through hole (112) is provided with keyway (113), this keyway (113) and be spaced the second angle between its immediate teeth groove (111).
10. the fuel control system of diesel cetane-number measuring machine as claimed in claim 9, it is characterized in that, axle (8), cam (10) and signal panels (11) are rotated by described gear (9) to rotate, cam (10) provides power to electronic controlled fuel pump (5) in rotation process, signal panels (11) are gathered the first angle and the signal of the second angle by signal transducer (12) in rotation process, and provide injection time point signal to described controller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620451574.5U CN205605319U (en) | 2016-05-18 | 2016-05-18 | Fuel control system for diesel oil cetane number measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620451574.5U CN205605319U (en) | 2016-05-18 | 2016-05-18 | Fuel control system for diesel oil cetane number measuring device |
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| CN205605319U true CN205605319U (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620451574.5U Active CN205605319U (en) | 2016-05-18 | 2016-05-18 | Fuel control system for diesel oil cetane number measuring device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822446A (en) * | 2016-05-18 | 2016-08-03 | 叶明� | Fuel oil control system applied to diesel cetane number testing machine |
| CN106382877A (en) * | 2016-12-09 | 2017-02-08 | 叶明� | Compression ratio measurement system applied to diesel fuel cetane number determination machine |
| CN115876265A (en) * | 2023-02-16 | 2023-03-31 | 西安成立航空制造有限公司 | Aero-engine nozzle flow detection device |
-
2016
- 2016-05-18 CN CN201620451574.5U patent/CN205605319U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105822446A (en) * | 2016-05-18 | 2016-08-03 | 叶明� | Fuel oil control system applied to diesel cetane number testing machine |
| CN105822446B (en) * | 2016-05-18 | 2018-09-07 | 叶明� | A kind of fuel control system applied to diesel cetane-number measuring machine |
| CN106382877A (en) * | 2016-12-09 | 2017-02-08 | 叶明� | Compression ratio measurement system applied to diesel fuel cetane number determination machine |
| CN106382877B (en) * | 2016-12-09 | 2022-07-22 | 叶明� | Compression ratio measuring system applied to diesel cetane number measuring machine |
| CN115876265A (en) * | 2023-02-16 | 2023-03-31 | 西安成立航空制造有限公司 | Aero-engine nozzle flow detection device |
| CN115876265B (en) * | 2023-02-16 | 2023-05-16 | 西安成立航空制造有限公司 | Aeroengine nozzle flow detection device |
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